Positive Adjustable Voltage Regulator, 37V, 25mA Description: NTE
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NTE1930 Integrated Circuit
Positive Adjustable Voltage Regulator, 37V, 25mA
Description: NTE1928 adjustable positive voltage regulator 8-Lead type package that features fast response both load line transients, freedom from oscillations with varying resistive reactive loads, ability start reliabity load within rating. This device also contains biasing circuitry that removes minimum load current requirement same time reduces standby current drain, permitting higher voltage operation. Features: Output Voltage Adjustable from Output Currents Excess Possible Adding External Transistors Load Regulation Better than 0.1%, Full Load with Current Limiting Line Regulation Guaranteed 0.03%/V Ripple Rejection 0.01%V Absolute Maximum Ratings: Input Voltage Input-Output Differential Power Dissipation (Note 400mW Operating Temperature Range, Topr +70°C Storage Temperature Range, Tstg -65° +150°C Lead Temperature (During Soldering, seconds), +260°C Typical Thermal Resistance, Junction-to-Ambient, RthJA 140°C/W Note maximum junction temperature NTE1930 100°C. operation elevated temperatures, this device must derated based thermal resistance 138°C/W junction ambient, 25°C/W junction case.
Electrical Characteristics (Note
Parameter Input Voltage Range Output Voltage Range Input-Output Voltage Differential Load Regulation 25mA, 25°C, Note 25mA, 70°C, Note 25mA, 0°C, Note Line Regulation Feedback Sense Voltage Standby Current Drain Current Limit Sense Voltage 30V, 25°C 25°C, VOUT (Note 25°C 70°C Conditions 1.60 1.72 0.03 1.80 Units
Note Unless otherwise specified, these specifications apply temperatures within operating temperature range, input output voltages within range given, divider impedance seen feedback terminal Load line regulation specifications constant junction temperature. Temperature drift effects must taken into account separately when unit operating under conditions high dissipation. Note output currents given, well load regulation, increased addition external transistors. improvement factor will roughly equal composite current gain added transistors. Note With external pass transistor.
Connection Diagram
Current Limit Booster Output Unregulated Input
Regulated Output Compensation Feedback Reference Bypass
.260 (6.6)
.390 (9.9) .155 (3.93)
.300 (7.62)
.100 (2.54) .300 (7.62)
.145 (3.68)
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